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147488401 = 373986173
BaseRepresentation
bin10001100101001…
…11111010010001
3101021112012001101
420302213322101
5300224112101
622345104401
73440426224
oct1062477221
9337465041
10147488401
1176287245
1241488101
132472c958
14158335bb
15ce35401
hex8ca7e91

147488401 has 4 divisors (see below), whose sum is σ = 151474612. Its totient is φ = 143502192.

The previous prime is 147488399. The next prime is 147488441. The reversal of 147488401 is 104884741.

147488401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 126337600 + 21150801 = 11240^2 + 4599^2 .

It is a cyclic number.

It is not a de Polignac number, because 147488401 - 21 = 147488399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 3986173 = 147488401 / (1 + 4 + 7 + 4 + 8 + 8 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147488441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1993050 + ... + 1993123.

It is an arithmetic number, because the mean of its divisors is an integer number (37868653).

Almost surely, 2147488401 is an apocalyptic number.

It is an amenable number.

147488401 is a deficient number, since it is larger than the sum of its proper divisors (3986211).

147488401 is an equidigital number, since it uses as much as digits as its factorization.

147488401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3986210.

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 147488401 is about 12144.4802688300. The cubic root of 147488401 is about 528.3470526435.

The spelling of 147488401 in words is "one hundred forty-seven million, four hundred eighty-eight thousand, four hundred one".

Divisors: 1 37 3986173 147488401